Thank you, François, I really appreciate it!
John Horne with the rkhunter project replied, and his suggestion does
indeed solve the problem for me, so we can go ahead and close this.
For some reason, I thought that rkhunter's ALLOW_SSH_ROOT_USER directive
wanted "PermitRootLogin", instead of
I filed the bug on the upstream bug tracker:
https://sourceforge.net/p/rkhunter/bugs/149/
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1548432
Title:
rhkunter interprets mixed-case directive
I forgot to mention the most annoying aspect of the bug, which is that
there is no workaround.
If I change rkhunter's configuration file to use "permitrootlogin" (all
lower-case), somewhat unsurprisingly, the problem still occurs.
[09:34:26] Info: Found SSH /etc/ssh/sshd_config configuration